Objective To evaluate the diagnosis and treatment of pseudoaneurysm .Methods The clinical data of 17 cases of pseudoaneurysm from Jan .2007 to Dec .2011 were reviewed retrospectively ,10 cases were caused by iatrogenic ,6 cases were drug caused by injection of poison ,and 1 case was was caused by trauma .2 cases of brachial artery pseudoaneurysm ,and 15 cases of arte-ria femoralis pseudoaneurysm .1 case was treated by simple compressive therapy ,the other 16 underwent surgical treatment and the pseudoaneurysm was removed ,in which 3 cases were treated by artery patch repair ,7 were treated by bypass with prosthetic grafts , 2 were treated by bypass with saphenous vein ,4 were treated by bypass with superficial femoral vein branch .Results There was no death except 1 case died because her family gave up ,All patients with signs and symptoms were significantly alleviated ,and there was no severe ischemia limb leading to amputation in postoperative follow-up .Conclusion The revascularization of the artery in pseudoaneurysm patients can make a significant improvement in the long-term quality of life .